Donald Trump’s abortion muddle continues to get muddier. As Cassy Fiano covered earlier, many pro-life leaders are upset with the presidential candidate for walking right into a rhetorical trap set for him by MSNBC’s Chris Matthews. And now abortion defenders are exploiting it to attack the rest of us. On Wednesday, Matthews asked him: MATTHEWS: Do you believe in punishment for abortion, yes or no as a principle? TRUMP: The answer is that there has to be some form of punishment. MATTHEWS: For the woman. TRUMP: Yeah, there has to be some form. MATTHEWS: Ten cents? Ten years? What? TRUMP:...